Finding the Third Proportional to 72,507 and 102,108

Step by Step Solution

1. Step 1: Write the proportion equation
   72,507 : 102,108 = 102,108 : x
2. Step 2: Convert to fraction form
   72,507/102,108 = 102,108/x
3. Step 3: Cross multiply
   72,507x = 102,108 × 102,108
4. Step 4: Simplify right side
   72,507x = 10,426,043,664
5. Step 5: Solve for x
   x = 10,426,043,664/72,507
6. Step 6: Final answer
   x = 143,793.62